Vector

Netflix's On-Host Performance Monitoring Tool

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Vector is an open source host-level performance monitoring framework, which exposes hand-picked, high-resolution system and application metrics to every engineer’s browser. Having the right metrics available on demand and at a high resolution is key to understanding how a system behaves and correctly troubleshooting performance issues. Previously, we'd login to instances as needed, run a variety of commands, and sift through the output for the metrics that matter. Vector cuts down the time to get to those metrics, helping us respond to incidents more quickly.